322 lines
13 KiB
C++
322 lines
13 KiB
C++
#include <stdio.h>
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#include <osg/Group>
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#include <osg/Notify>
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#include <osg/Vec3>
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#include <osg/Geometry>
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#include <osgDB/Registry>
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#include <osgDB/ReadFile>
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#include <osgDB/WriteFile>
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#include <osgDB/ReaderWriter>
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#include <osgUtil/Optimizer>
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#include "OrientationConverter.h"
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#include "GeoSet.h"
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typedef std::vector<std::string> FileNameList;
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static bool do_convert = false;
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////////////////////////////////////////////////////////////////////////////
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// Convert GeoSet To Geometry Visitor.
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////////////////////////////////////////////////////////////////////////////
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/** ConvertGeoSetsToGeometryVisitor all the old GeoSet Drawables to the new Geometry Drawables.*/
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class ConvertGeoSetsToGeometryVisitor : public osg::NodeVisitor
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{
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public:
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ConvertGeoSetsToGeometryVisitor():osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN) {}
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virtual void apply(osg::Geode& geode)
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{
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for(unsigned int i=0;i<geode.getNumDrawables();++i)
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{
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osg::GeoSet* geoset = dynamic_cast<osg::GeoSet*>(geode.getDrawable(i));
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if (geoset)
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{
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osg::Geometry* geom = geoset->convertToGeometry();
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if (geom)
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{
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osg::notify(osg::NOTICE)<<"Successfully converted GeoSet to Geometry"<<std::endl;
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geode.replaceDrawable(geoset,geom);
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}
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else
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{
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osg::notify(osg::NOTICE)<<"*** Failed to convert GeoSet to Geometry"<<std::endl;
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}
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}
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}
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}
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virtual void apply(osg::Node& node) { traverse(node); }
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};
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static void usage( const char *prog, const char *msg )
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{
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osg::notify(osg::NOTICE)<< std::endl;
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osg::notify(osg::NOTICE) << msg << std::endl;
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osg::notify(osg::NOTICE)<< std::endl;
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osg::notify(osg::NOTICE)<<"usage:"<< std::endl;
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osg::notify(osg::NOTICE)<<" " << prog << " [options] infile1 [infile2 ...] outfile"<< std::endl;
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osg::notify(osg::NOTICE)<< std::endl;
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osg::notify(osg::NOTICE)<<"options:"<< std::endl;
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osg::notify(osg::NOTICE)<<" -O option - ReaderWriter option"<< std::endl;
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osg::notify(osg::NOTICE)<<" -l libraryName - load plugin of name libraryName"<< std::endl;
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osg::notify(osg::NOTICE)<<" i.e. -l osgdb_pfb"<< std::endl;
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osg::notify(osg::NOTICE)<<" Useful for loading reader/writers which can load"<< std::endl;
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osg::notify(osg::NOTICE)<<" other file formats in addition to its extension."<< std::endl;
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osg::notify(osg::NOTICE)<<" -e extensionName - load reader/wrter plugin for file extension"<< std::endl;
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osg::notify(osg::NOTICE)<<" i.e. -e pfb"<< std::endl;
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osg::notify(osg::NOTICE)<<" Useful short hand for specifying full library name as"<< std::endl;
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osg::notify(osg::NOTICE)<<" done with -l above, as it automatically expands to the"<< std::endl;
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osg::notify(osg::NOTICE)<<" full library name appropriate for each platform."<< std::endl;
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osg::notify(osg::NOTICE)<<" -o orientation - Convert geometry from input files to output files."<< std::endl;
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osg::notify(osg::NOTICE)<<
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" Format of orientation argument must be the following:\n"
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"\n"
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" X1,Y1,Z1-X2,Y2,Z2\n"
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" or\n"
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" degrees-A0,A1,A2\n"
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"\n"
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" where X1,Y1,Z1 represent the UP vector in the input\n"
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" files and X2,Y2,Z2 represent the UP vector of the\n"
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" output file, or degrees is the rotation angle in degrees\n"
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" around axis (A0,A1,A2). For example, to convert a model\n"
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" built in a Y-Up coordinate system to a model with a Z-up\n"
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" coordinate system, the argument may look like\n"
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"\n"
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" 0,1,0-0,0,1"
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"\n"
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" or\n"
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" -90-1,0,0\n"
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"\n" << std::endl;
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osg::notify(osg::NOTICE)<<" -t translation - Convert spatial position of output files. Format of\n"
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" translation argument must be the following :\n"
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"\n"
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" X,Y,Z\n"
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"\n"
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" where X, Y, and Z represent the coordinates of the\n"
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" absolute position in world space\n"
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<< std::endl;
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osg::notify(osg::NOTICE)<<" -s scale - Scale size of model. Scale argument must be the \n"
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" following :\n"
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"\n"
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" SX,SY,SZ\n"
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"\n"
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" where SX, SY, and SZ represent the scale factors\n"
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" Caution: Scaling will be done in destination orientation\n"
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<< std::endl;
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}
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static bool
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parse_args( int argc, char **argv, FileNameList &fileNames,
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OrientationConverter &oc, osgDB::ReaderWriter::Options* options )
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{
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int nexti;
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std::string opt = "";
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for(int i = 1; i < argc; i=nexti )
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{
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nexti = i+1;
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if (argv[i][0]=='-')
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{
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for( unsigned int j = 1; j < strlen( argv[i] ); j++ )
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{
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switch(argv[i][j])
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{
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case 'O':
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if (nexti<argc) {
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if (opt.size() == 0)
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opt = argv[nexti++];
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else
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opt = opt+" "+argv[nexti++];
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}
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else {
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usage( argv[0], "ReaderWriter option requires an argument." );
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return false;
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}
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break;
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case('e'):
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if (nexti<argc)
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{
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std::string libName = osgDB::Registry::instance()->createLibraryNameForExtension(argv[nexti++]);
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osgDB::Registry::instance()->loadLibrary(libName);
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}
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else
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{
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usage( argv[0], "Extension option requires an argument." );
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return false;
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}
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break;
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case('l'):
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if (nexti<argc)
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{
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osgDB::Registry::instance()->loadLibrary(argv[nexti++]);
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}
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else
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{
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usage( argv[0], "Library option requires an argument." );
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return false;
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}
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break;
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case 'o' :
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if( nexti < argc )
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{
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osg::Vec3 from, to;
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if( sscanf( argv[nexti], "%f,%f,%f-%f,%f,%f",
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&from[0], &from[1], &from[2],
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&to[0], &to[1], &to[2] )
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!= 6 )
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{
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float degrees;
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osg::Vec3 axis;
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// Try deg-axis format
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if( sscanf( argv[nexti], "%f-%f,%f,%f",
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°rees, &axis[0], &axis[1], &axis[2] ) != 4 )
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{
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usage( argv[0], "Orientation argument format incorrect." );
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return false;
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}
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else
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{
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oc.setRotation( degrees, axis );
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do_convert = true;
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}
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}
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else
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{
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oc.setRotation( from, to );
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do_convert = true;
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}
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}
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else
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{
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usage( argv[0], "Orientation conversion option requires an argument." );
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return false;
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}
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nexti++;
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break;
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case 't' :
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if( nexti < argc )
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{
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osg::Vec3 trans(0,0,0);
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if( sscanf( argv[nexti++], "%f,%f,%f",
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&trans[0], &trans[1], &trans[2] ) != 3 )
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{
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usage( argv[0], "Translation argument format incorrect." );
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return false;
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}
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oc.setTranslation( trans );
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do_convert = true;
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}
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else
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{
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usage( argv[0], "Translation conversion option requires an argument." );
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return false;
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}
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break;
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case 's' :
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if( nexti < argc )
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{
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osg::Vec3 scale(0,0,0);
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if( sscanf( argv[nexti++], "%f,%f,%f",
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&scale[0], &scale[1], &scale[2] ) != 3 )
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{
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usage( argv[0], "Scale argument format incorrect." );
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return false;
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}
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oc.setScale( scale );
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do_convert = true;
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}
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else
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{
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usage( argv[0], "Scale conversion option requires an argument." );
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return false;
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}
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break;
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default :
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std::string a = "Invalid option " ;
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a += "'";
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a += argv[i][j] ;
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a += "'.";
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usage( argv[0], a.c_str() );
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return false;
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break;
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}
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}
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} else
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{
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fileNames.push_back(argv[i]);
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}
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}
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if (fileNames.empty())
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{
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usage( argv[0], "No files specified." );
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return false;
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}
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options->setOptionString(opt);
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return true;
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}
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int main( int argc, char **argv )
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{
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FileNameList fileNames;
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OrientationConverter oc;
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osgDB::ReaderWriter::Options* options = new osgDB::ReaderWriter::Options;
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osgDB::Registry::instance()->setOptions(options);
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if( parse_args( argc, argv, fileNames, oc, options ) == false )
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return -1;
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std::string fileNameOut("converted.osg");
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if (fileNames.size()>1)
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{
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fileNameOut = fileNames.back();
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fileNames.pop_back();
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}
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osg::ref_ptr<osg::Node> root = osgDB::readNodeFiles(fileNames);
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// convert the old style GeoSet to Geometry
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ConvertGeoSetsToGeometryVisitor cgtg;
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root->accept(cgtg);
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// optimize the scene graph, remove rendundent nodes and state etc.
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osgUtil::Optimizer optimizer;
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optimizer.optimize(root.get());
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if( do_convert )
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root = oc.convert( root.get() );
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if (root.valid())
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{
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if (osgDB::writeNodeFile(*root,fileNameOut))
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{
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osg::notify(osg::NOTICE)<<"Data written to '"<<fileNameOut<<"'."<< std::endl;
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}
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}
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else
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{
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osg::notify(osg::NOTICE)<<"Error no data loaded."<< std::endl;
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return 1;
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}
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return 0;
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}
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